#519BE5#519BE5

#519BE5 is a light, vivid cyan. Relative luminance 0.308; OKLCH L 67.5% C 0.133 H 250.4°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#519BE5
RGB	rgb(81, 155, 229)
HSL	hsl(210, 74%, 61%)
HSV	hsv(210, 65%, 90%)
CMYK	cmyk(64.6%, 32.3%, 0%, 10.2%)
CIE-LAB	lab(62.38, -0.25, -44.22)
CIE-LCH	lch(62.38, 44.22, 269.67°)
OKLab	oklab(67.46% -0.0445 -0.1251)
OKLCH	oklch(67.46% 0.133 250.4)
XYZ	xyz(29.2523, 30.8462, 78.5259)
Luminance	0.3085 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519BE5 #E59B51

analogous

#51E5E5 #519BE5 #5151E5

triadic

#519BE5 #E5519B #9BE551

tetradic

#519BE5 #E551E5 #E59B51 #51E551

square

#519BE5 #E551E5 #E59B51 #51E551

split-complementary

#519BE5 #E55151 #E5E551

monochromatic

#185EA3 #207CD8 #519BE5 #86BAED #BBD8F5

Accessibility & contrast

On white

2.93

#519BE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#519BE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519BE5

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519BE5	#FFFFFF	#000000	##000000
##519BE5	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B9FE8

Deuteranopia (green-blind)

#6690E4

Tritanopia (blue-blind)

#00ACB6

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #519be5;
/* rgb */ color: rgb(81, 155, 229);
/* oklch */ color: oklch(67.5% 0.133 250.4);

Tailwind

colors: {
  custom: {
    50: '#90b8ed',
    500: '#519be5',
    950: '#000000',
  },
}

SCSS

$custom: #519be5;
$custom-light: #90b8ed;
$custom-dark: #000000;

JSON

{
  "hex": "#519be5",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 229
  },
  "hsl": {
    "h": 210,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.67463,
    "c": 0.13283,
    "h": 250.4
  },
  "luminance": 0.30849
}

Semantic roles & 50–950 ramp

primary

#519BE5

secondary

#E5C9AD

accent

#730FD6

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #519BE5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →